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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtAddOn.JsonStream module of the Qt.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef _JSON_PIPE_H
#define _JSON_PIPE_H
#include <QObject>
#include <QJsonObject>
#include "qjsonstream-global.h"
class QSocketNotifier;
QT_BEGIN_NAMESPACE_JSONSTREAM
class QJsonBuffer;
class QJsonPipePrivate;
class Q_ADDON_JSONSTREAM_EXPORT QJsonPipe : public QObject
{
Q_OBJECT
public:
QJsonPipe(QObject *parent = 0);
virtual ~QJsonPipe();
bool writeEnabled() const;
bool readEnabled() const;
Q_INVOKABLE bool send(const QJsonObject& message);
EncodingFormat format() const;
void setFormat(EncodingFormat format);
void setFds(int in_fd, int out_fd);
enum PipeError { WriteFailed, WriteAtEnd, ReadFailed, ReadAtEnd };
Q_ENUMS(PipeError);
bool waitForBytesWritten(int msecs = 30000);
signals:
void messageReceived(const QJsonObject& message);
void error(PipeError);
protected slots:
void processMessages();
void objectReceived(const QJsonObject& object);
void inReady(int fd);
void outReady(int fd);
private:
int writeInternal(int fd);
private:
Q_DECLARE_PRIVATE(QJsonPipe)
QScopedPointer<QJsonPipePrivate> d_ptr;
};
QJsonPipe& operator<<(QJsonPipe&, const QJsonObject& );
QT_END_NAMESPACE_JSONSTREAM
#endif // _JSON_PIPE_H
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